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CONTENTS
1. SAFETY PRECAUTIONS
1
2. PREVENTION OF ELECTRO STATIC DISCHARGE(ESD)TO ELECTROSTATICALLY
SENSITIVE(ES)DEVICES
1
4. PREVERTION OF STATIC ELECTRICITY DISCHARGE
3
5. ASSEMBLING AND DISASSEMBLING THE MECHANISM UNIT
4
5.1 OPTICAL PICKUP UNIT EXPLOSED VIEW AND PART LIST
4
5.2 BRACKET EXPLOSED VIEW AND PART LIST
6
6. ELECTRICAL CONFIRMATION
8
6.1 VIDEO OUTPUT (LUMINANCE SIGNAL) CONFIRMATION
8
6.2 VIDEO OUTPUT(CHROMINANCE SIGNAL) CONFIRMATION
9
7. MPEG BOARD CHECK WAVEFORM
10
8. AM29LV160D
11
9. SCHEMATIC & PCB WIRING DIAGRAM
26
10. SPARE PARTS LIST
8.1 HY57V641620HG
16
3. CONTROL BUTTON LOCATIONS AND EXPLANATIONS
2
5.3 MISCELLANEOUS
7
8.2 MT1389
8.3 CD4052B
22
19
39
11 . APPENDIX-AM/FM Tuner Specificadtion
45
Summary of Contents for DT9904S
Page 1: ...SERVICE MANUAL DT9904S...
Page 4: ...3 7 9 2...
Page 12: ...7 MPEG BOARD CHECK WAVEFORM 7 1 27MHz WAVEFORM DIAGRAM 7 2 IC5L0380R PIN 2 WAVEFORM DIAGRAM 10...
Page 29: ...FRONT SCHEMATIC DIAGRAM 27...
Page 31: ...POWER BOARD SCHEMATIC DIAGRAM 29...
Page 33: ...OK SCHEMATIC DIAGRAM 31...
Page 35: ...OUTPUT BOARD SCHEMATIC DIAGRAM 33...
Page 40: ...MIAN SCHEMATIC DIAGRAM 38...
Page 47: ...11 APPENDIX AM FM Tuner Specificadtion 45...
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